.notepad-dlg-mask {
    height: 100%;
    left: 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 10;
  }
  
  .notepad-dlgbox {
    border: 1px solid #0f7fd6;
    box-shadow: 10px 10px 10px #d6d6d6;
    box-sizing: border-box;
    cursor: default;
    margin: 0 auto;
    position: relative;
    top: 100px;
    user-select: none;
  }
  
  .notepad-dlg-titlebar {
    background-color: white;
    font-size: 1.3em;
    height: 30px;
  }
  
  .notepad-dlg-titlebar .title {
    left: 10px;
    line-height: 30px;
    position: absolute;
  }
  
  .notepad-dlg-titlebar .close-btn {
    color: gray;
    line-height: 30px;
    position: absolute;
    right: 0;
    text-align: center;
    width: 30px;
  }
  
  .notepad-dlg-titlebar .close-btn:hover {
    background-color: red;
    color: white;
  }
  
  .notepad-dlg-main {
    background-color: #f0f0f0;
    box-sizing: border-box;
    font-size: 1.2em;
    padding: 12px;
    position: relative;
  }
  
  .notepad-dlg-main .btn {
    height: 28px;
    width: 86px;
  }